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Finding the Fourth Proportional to 359,350.47, 495,906 and 198,209.88

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Solution

The fourth proportional to 359,350.47, 495,906 and 198,209.88 is: 273,530.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,350.47 : 495,906 = 198,209.88 : x
  2. Step 2: Convert to fraction form
    359,350.47/495,906 = 198,209.88/x
  3. Step 3: Cross multiply
    359,350.47x = 495,906 × 198,209.88
  4. Step 4: Simplify right side
    359,350.47x = 98,293,468,751.28
  5. Step 5: Solve for x
    x = 98,293,468,751.28/359,350.47
  6. Step 6: Final answer
    x = 273,530.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.